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Deciphering an electricity meter serial number

Chris Pearson

I wonder whether anybody out there can help me decipher a new smart meter serial number please.

It is 25L356xxxx. Model is Landis+Gyr E470 Type 5533.

So far I have established that 25 is the year of manufacture and L is for Landis+Gyr. I assume that serial numbers will be issued in batches, so it ought to be possible to work backwards in order to identify the meter. Clearly, the least significant digits will identify the individual meter.

This process certainly works for my car.

My reason for asking is that British Gas has made a right mess of the installation - they have attached the meter to the wrong MPAN. Their call centre in South Africa and their "chat" centre in South Asia have been hopeless. I have asked how a single-phase meter could measure a three-phase supply, but that completely stumped them.

Google's much vaunted AI has been unhelpful save that it seems that the meter and the in-home display should be able to tell me the MPAN, but it appears not to have been entered into the meter.

Any help gratefully received!

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  • 0

    I have sympathy for you with dealing with BG. I've recently gone through the process of getting the gas supply discontinued ('cos my new heat pump is up and running nicely so I don't need gas any more).. They clearly don't have a button for that. They managed to mess up just about every stage of the process, seemed to know nothing of what their organisation had already done, and the number of times I had to repeat the same basic information even on the same chat was painful. Several times I was convinced I was "chatting" to an AI bot rather than a human. They did get there in the end though, but it took a lot of doing for what (I imagined) should have been a fairly simple process.Be persistent!

    I'm not quite following what you want to achieve with the meter serial number though. You presumably have the number of the meter you've got - which is the important one, and the MPAN should be on your bills (check against old ones to verify it's the same from before the meter swap - AFAIK it should remain unchanged).  What's the relevance of other meters of the same batch? - even if the numbers were issued in sequence - that would presumably be at the factory, so likely would have been jumbled a few times - at the depot being put into the van, taken out of the van, etc etc. 

       - Andy.

  • 0 in reply to AJJewsbury
    AJJewsbury said:
    I'm not quite following what you want to achieve with the meter serial number though.

    Andy, thank you.

    Until Russia invaded Ukraine, all was well. Then the smaller suppliers folded because they did not have the resources to buy futures, so I ended up with BG. On the face of it, the price cap makes it pretty irrelevant who supplies your leccy.

    To clarify, I have an old SP supply to my house and a newer TP supply to my garage. Whilst I could get a tariff with a low standing charge, there was no urgent need to connect the latter to the former.

    So BG has attached the new SP smart meter to the TP MPAN, which means that I am getting billed twice for the same leccy: once (on an estimated basis) on the old 'dumb' meter, which is in landfill, and a second time through the smart meter on the wrong MPAN.

    You will not be surprised that I am in the process of switching (to Octopus), but only the TP supply for the moment. What I want to pre-empt is the smart meter remaining attached to the MPAN. Therefore, I want to say that the SN of the smart meter shows that it is SP, which could not possibly meter TP.

    I have tried to be brief. Is that any clearer?

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  • 0 in reply to AJJewsbury
    AJJewsbury said:
    I'm not quite following what you want to achieve with the meter serial number though.

    Andy, thank you.

    Until Russia invaded Ukraine, all was well. Then the smaller suppliers folded because they did not have the resources to buy futures, so I ended up with BG. On the face of it, the price cap makes it pretty irrelevant who supplies your leccy.

    To clarify, I have an old SP supply to my house and a newer TP supply to my garage. Whilst I could get a tariff with a low standing charge, there was no urgent need to connect the latter to the former.

    So BG has attached the new SP smart meter to the TP MPAN, which means that I am getting billed twice for the same leccy: once (on an estimated basis) on the old 'dumb' meter, which is in landfill, and a second time through the smart meter on the wrong MPAN.

    You will not be surprised that I am in the process of switching (to Octopus), but only the TP supply for the moment. What I want to pre-empt is the smart meter remaining attached to the MPAN. Therefore, I want to say that the SN of the smart meter shows that it is SP, which could not possibly meter TP.

    I have tried to be brief. Is that any clearer?

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